package cn.bdqn.servlet;

import java.io.IOException;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import cn.bdqn.bean.User;
import cn.bdqn.bean.UserType;
import cn.bdqn.service.UserService;
import cn.bdqn.service.impl.UserServiceImpl;

public class GetUserServlet extends HttpServlet {

	/**
		 * The doGet method of the servlet. <br>
		 *
		 * This method is called when a form has its tag value method equals to get.
		 * 
		 * @param request the request send by the client to the server
		 * @param response the response send by the server to the client
		 * @throws ServletException if an error occurred
		 * @throws IOException if an error occurred
		 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		doPost(request, response);
	}

	/**
		 * The doPost method of the servlet. <br>
		 *
		 * This method is called when a form has its tag value method equals to post.
		 * 
		 * @param request the request send by the client to the server
		 * @param response the response send by the server to the client
		 * @throws ServletException if an error occurred
		 * @throws IOException if an error occurred
		 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		String idStr = request.getParameter("id");
		int id = 0;
		if(idStr!=null){
			id = Integer.parseInt(idStr);
		}
		UserService userService = new UserServiceImpl();
		//获取user信息
		User user = userService.getUserById(id);
		//获取用户类型信息
		List<UserType> typeList = userService.getUserTypeList();
		//把user 和 list放入作用域中
		request.setAttribute("user", user);
		request.setAttribute("typeList", typeList);
		request.getRequestDispatcher("/jsp/userUpdate.jsp").forward(request, response);
	}

}
